--- /dev/null
+From 03610008ce31b7a780b7864a0a916d945b7234ba Mon Sep 17 00:00:00 2001
+Date: Mon, 8 Sep 2025 19:29:55 +0800
+Subject: [PATCH] board: rockchip: add Lunzn FastRhino R66S
+
+Lunzn Fastrhino R66S is a high-performance mini router.
+
+Specification:
+- Rockchip RK3568
+- 1/2GB LPDDR4 RAM
+- SD card slot
+- 2x USB 3.0 Port
+- 2x 2500 Base-T (PCIe, r8125b)
+- 12v DC Jack
+
+---
+ .../arm/dts/rk3568-fastrhino-r66s-u-boot.dtsi | 3 +
+ board/rockchip/evb_rk3568/MAINTAINERS | 7 ++
+ configs/fastrhino-r66s-rk3568_defconfig | 64 +++++++++++++++++++
+ doc/board/rockchip/rockchip.rst | 1 +
+ 4 files changed, 75 insertions(+)
+ create mode 100644 arch/arm/dts/rk3568-fastrhino-r66s-u-boot.dtsi
+ create mode 100644 configs/fastrhino-r66s-rk3568_defconfig
+
+--- /dev/null
++++ b/arch/arm/dts/rk3568-fastrhino-r66s-u-boot.dtsi
+@@ -0,0 +1,3 @@
++// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
++
++#include "rk356x-u-boot.dtsi"
+--- a/board/rockchip/evb_rk3568/MAINTAINERS
++++ b/board/rockchip/evb_rk3568/MAINTAINERS
+@@ -14,6 +14,13 @@ F: configs/evb-rk3568_defconfig
+ F: arch/arm/dts/rk3568-evb-u-boot.dtsi
+ F: arch/arm/dts/rk3568-evb.dts
+
++FASTRHINO-R66S-RK3568
++S: Maintained
++F: configs/fastrhino-r66s-rk3568_defconfig
++F: arch/arm/dts/rk3568-fastrhino-r66s-u-boot.dtsi
++
+ GENERIC-RK3568
+ S: Maintained
+--- /dev/null
++++ b/configs/fastrhino-r66s-rk3568_defconfig
+@@ -0,0 +1,64 @@
++CONFIG_ARM=y
++CONFIG_SKIP_LOWLEVEL_INIT=y
++CONFIG_SYS_HAS_NONCACHED_MEMORY=y
++CONFIG_COUNTER_FREQUENCY=24000000
++CONFIG_ARCH_ROCKCHIP=y
++CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3568-fastrhino-r66s"
++CONFIG_ROCKCHIP_RK3568=y
++CONFIG_SPL_SERIAL=y
++CONFIG_SYS_LOAD_ADDR=0xc00800
++CONFIG_DEBUG_UART_BASE=0xFE660000
++CONFIG_DEBUG_UART_CLOCK=24000000
++CONFIG_PCI=y
++CONFIG_DEBUG_UART=y
++CONFIG_FIT=y
++CONFIG_FIT_VERBOSE=y
++CONFIG_SPL_FIT_SIGNATURE=y
++CONFIG_SPL_LOAD_FIT=y
++CONFIG_LEGACY_IMAGE_FORMAT=y
++CONFIG_DEFAULT_FDT_FILE="rockchip/rk3568-fastrhino-r66s.dtb"
++# CONFIG_DISPLAY_CPUINFO is not set
++CONFIG_DISPLAY_BOARDINFO_LATE=y
++CONFIG_SPL_MAX_SIZE=0x40000
++# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
++CONFIG_SPL_ATF=y
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_GPT=y
++CONFIG_CMD_I2C=y
++CONFIG_CMD_MMC=y
++CONFIG_CMD_PCI=y
++CONFIG_CMD_USB=y
++CONFIG_CMD_PMIC=y
++CONFIG_CMD_REGULATOR=y
++# CONFIG_SPL_DOS_PARTITION is not set
++CONFIG_SPL_OF_CONTROL=y
++CONFIG_OF_LIVE=y
++CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
++CONFIG_SPL_DM_SEQ_ALIAS=y
++CONFIG_SPL_REGMAP=y
++CONFIG_SPL_SYSCON=y
++CONFIG_SPL_CLK=y
++CONFIG_ROCKCHIP_GPIO=y
++CONFIG_SYS_I2C_ROCKCHIP=y
++CONFIG_MISC=y
++CONFIG_MMC_DW=y
++CONFIG_MMC_DW_ROCKCHIP=y
++CONFIG_RTL8169=y
++CONFIG_PCIE_DW_ROCKCHIP=y
++CONFIG_PHY_ROCKCHIP_INNO_USB2=y
++CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
++CONFIG_SPL_PINCTRL=y
++CONFIG_DM_PMIC=y
++CONFIG_PMIC_RK8XX=y
++CONFIG_REGULATOR_RK8XX=y
++CONFIG_PWM_ROCKCHIP=y
++CONFIG_SPL_RAM=y
++CONFIG_BAUDRATE=1500000
++CONFIG_DEBUG_UART_SHIFT=2
++CONFIG_SYS_NS16550_MEM32=y
++CONFIG_SYSRESET=y
++CONFIG_USB=y
++CONFIG_USB_XHCI_HCD=y
++CONFIG_USB_DWC3=y
++CONFIG_USB_DWC3_GENERIC=y
++CONFIG_ERRNO_STR=y
+--- a/doc/board/rockchip/rockchip.rst
++++ b/doc/board/rockchip/rockchip.rst
+@@ -128,6 +128,7 @@ List of mainline supported Rockchip boar
+ - FriendlyElec NanoPi R5S (nanopi-r5s-rk3568)
+ - Generic RK3566/RK3568 (generic-rk3568)
+ - Hardkernel ODROID-M1 (odroid-m1-rk3568)
++ - Lunzn FastRhino R66S (fastrhino-r66s-rk3568)
+ - QNAP TS-433 (qnap-ts433-rk3568)
+ - Radxa E25 Carrier Board (radxa-e25-rk3568)
+ - Radxa ROCK 3A (rock-3a-rk3568)